Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
73°F
23°C
| Humidity | 57% |
| Wind Speed | N 7 mph |
| Barometer | 29.94 in |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 7 Oct 8:45 pm CDT |
Extended Forecast for
Troy IL
Tonight
Low: 57 °F
Mostly Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 87 °F
Mostly Sunny
Saturday Night
Low: 59 °F
Chance Rain
Sunday
High: 79 °F
Partly Sunny
Sunday Night
Low: 59 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 57. North wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 83. Calm wind becoming north around 5 mph.
Thursday Night
Mostly clear, with a low around 58. Light and variable wind.
Friday
Sunny, with a high near 89. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 62. South wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 59.
Columbus Day
Mostly sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 73.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Troy IL
38.74°N 89.89°W (Elev. 551 ft)
38.74°N 89.89°W (Elev. 551 ft)
8:36 pm CDT Oct 7, 2026
9pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
